Present Perfect Continuous Tense

They ___ been swimming for ten minutes.

Emi ___ playing the piano for an hour.

They ___ watching this film since two o'clock.

I haven't been ___ for fifty minutes.

___ learning English for three years?

How ___ has he been playing football?

He has been doing karate ___ five years.

Ben has been playing his favourite game ___ six o'clock.

____ have you been living there?

How long ___ waiting for him?

We have __ watching this soap opera for two years.

He ___ riding a bike, he has been driving his father's car for half an hour.